13920336 has 100 divisors (see below), whose sum is σ = 42131232. Its totient is φ = 4428864.

The previous prime is 13920323. The next prime is 13920337. The reversal of 13920336 is 63302931.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13920337) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29575 + ... + 30041.

Almost surely, 2^13920336 is an apocalyptic number.

13920336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13920336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21065616).

13920336 is an abundant number, since it is smaller than the sum of its proper divisors (28210896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13920336 is a wasteful number, since it uses less digits than its factorization.

13920336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 13920336 is about 3730.9966496903. The cubic root of 13920336 is about 240.5562099645.

The spelling of 13920336 in words is "thirteen million, nine hundred twenty thousand, three hundred thirty-six".